MAX98089EVKIT+TQFN Maxim Integrated, MAX98089EVKIT+TQFN Datasheet - Page 101
MAX98089EVKIT+TQFN
Manufacturer Part Number
MAX98089EVKIT+TQFN
Description
Audio IC Development Tools
Manufacturer
Maxim Integrated
Type
Audio CODECr
Datasheet
1.MAX98089EVKITTQFN.pdf
(131 pages)
Specifications of MAX98089EVKIT+TQFN
Product
Evaluation Kits
Tool Is For Evaluation Of
MAX98089
Operating Supply Voltage
2.8 V to 5.5 V
Interface Type
I2C
Operating Supply Current
1 A
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The IC’s speaker amplifiers accept input from the stereo DAC, the line inputs (single-ended ore differential), and the MIC inputs.
Configure the mixer to mix any combination of the available sources. When more than one signal is selected, the mixer can
be configured to attenuate the signal by 6dB, 9dB or 12dB.
Table 22. Speaker Output Mixer Register
Maxim Integrated
REGISTER
0x2C
0x2D
0x2B
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
3
2
1
0
MIXSPR
MIXSPR
MIXSPL
MIXSPL
NAME
_GAIN
_GAIN
Left Speaker Output Mixer
1xxxxxxx = Right DAC
x1xxxxxx = MIC2
xx1xxxxx = MIC1
xxx1xxxx = INB2 (INBDIFF = 0) or INB2-INB1 (INBDIFF = 1)
xxxx1xxx = INB1
xxxxx1xx = INA2 (INBDIFF = 0) or INA2-INA1 (INADIFF = 1)
xxxxxx1x = INA1
xxxxxxx1 = Left DAC
Right Speaker Output Mixer
1xxxxxxx = Left DAC
x1xxxxxx = MIC2
xx1xxxxx = MIC1
xxx1xxxx = INB2 (INBDIFF = 0) or INB2-INB1 (INBDIFF = 1)
xxxx1xxx = INB1
xxxxx1xx = INA2 (INADIFF = 0) or INA2-INA1 (INADIFF = 1)
xxxxxx1x = INA1
xxxxxxx1 = Right DAC
Right Speaker Mixer Gain Select
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
Left Speaker Mixer Gain Select
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
Low-Power, Stereo Audio Codec
with FlexSound Technology
DESCRIPTION
MAX98089
Speaker Output Mixers
101
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